SC191AWLTRT

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The SC191AWLTRT is a widely used DC DC Buck Switching Regulator, used in various low power electronic applications around the world. It is designed to provide high efficiency, low heat, and low noise operation when compared to other DC DC regulators. The SC191AWLTRT can handle an input voltage range from 4.7V to 42V and a maximum output current of up to 5A.

The SC191AWLTRT has an operating frequency range of 300kHz to 1.2MHz and an adjustable output voltage range of 0.8V to 18V. The switching regulator is also capable of being powered from a PWM input, which is useful for many applications.

The regulator also featur es a low dropout input voltage, which allows it to more easily operate at a low input voltage. The SC191AWLTRT also features a synchronous rectification circuit which helps achieve higher efficiency when compared to non-synchronous rectification regulators. Additionally, the regulator has a built-in temperature-compensated current limitation circuit, which helps reduce current surges and allows the circuit to remain stable in elevated temperatures.

The SC191AWLTRT operates using a pulse width modulation (PWM) control algorithm, which is used to regulate the output voltage. The algorithm monitors the output voltage and adjusts the duty cycle of the PWM signal, which powers the circuit. The output voltage is further regulated by a feed-forward circuit, which uses constant-voltage regulation to ensure that the output voltage remains within a specified range.

The SC191AWLTRT also includes two enable pins, which can be used to enable/disable the circuit and control the output voltage. Additionally, the regulator includes two over-current protection circuits, which can be used to protect the regulator from short-circuit and overload conditions.

Overall, the SC191AWLTRT is a highly efficient, low noise DC DC switching regulator, which can be used in a range of low-power electronic applications such as motor-drive systems, battery-operated products, and portable devices. The regulator’s small size, low cost, and high efficiency make it a popular choice for many commercial and industrial applications.

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